2011 Mercedes CL-Class Owner's Manual - Page 306

304 Driving systems Rthe electrical system in the engine compartment, the battery or the fuses are tampered with. Rthe battery is disconnected. Driving and parking AIRMATIC Vehicle level Your vehicle regulates its height automatically. All-round self-leveling ensures the best possible suspension and constant ground clearance, even with a laden vehicle. When you drive fast, the vehicle is lowered automatically to improve driving safety and to reduce fuel consumption. The following vehicle levels are possible: Rnormal. Rraised: Setting raised level X Start the engine. If indicator lamp ; is not lit: X the vehicle is raised above the normal level by 1.20 in (30 mm). Rlowered: the vehicle is lowered beyond the normal level by 0.40 in (10 mm). The "Normal" and "Raised" vehicle levels can be set manually. The "Lowered" vehicle level is set automatically at speeds over 60 mph (100 km/h). Setting the vehicle level Select the "Normal" setting for normal road surfaces and "Raised" for driving with snow chains or on particularly poor road surfaces. Your selection remains stored even if you remove the SmartKey from the ignition lock. Press button :. Indicator lamp ; lights up. The vehicle height is adjusted to raised level. The Vehicle rising message appears in the multifunction display. The "Raised Level" setting is canceled if you: Rdrive at speeds above approximately 75 mph (120 km/h) Rdrive about 3 minutes at speeds above 50 mph (80 km/h) The "Raised Level" remains saved when you are not driving within these speed ranges. Setting the normal level X Start the engine. If indicator lamp ; is lit: X G Warning! Press button :. Indicator lamp ; goes out. The vehicle is adjusted to normal level. To help avoid personal injury, keep hands and feet away from wheel housing area, and stay away from under the vehicle when lowering the vehicle chassis. Suspension tuning The Adaptive Damping System (ADS) automatically controls the calibration of the dampers and springs.